The electric chair was invented by a dentist!
122
There are only 14 blimps in the world.
69
A small airplane can fly backwards.
75
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Car airbags kill 1 person for every 22 lives that they save.
80
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Whale oil was used in automobile transmissions as late as 1973.
56